The structure of the seat enables a quick drainage of the water. For bath up to 70cm width. Securing bolts and seat locking in 4 positions. Tested for 100kg. Height of backrest: 37 cm, seat dimensions: 46*38 cm, width between armrests: 55 cm, weight: 8,2 kg. For bathtub up to 70cm width. Armrests are not detachable.